Data as of July 2026. Source: Realtor.com.
The O FALLON, MO real estate market (63366) currently shows 160 active listings, with 82 pending sales. Homes are averaging 28 days on the market before going under contract.
Inventory has tightened compared to last year, with 8 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 28 days on market compared to 26 days last year.
The median listing price has fallen 8.9% year-over-year, from $441,758 to $402,488.
Whether you are buying or selling in O FALLON, MO, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 52,746 · Density: 293.9/mi² · Median household income: $91,698
Typical home value: $262,117 · Homeownership: 80.9%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 63366 | O'Fallon, MO 63366 | 0.0 mi | 91 | $38,996,958 | $407,500 | $428,538 |
| 63376 | Saint Peters, MO 63376 | 6.9 mi | 143 | $48,325,563 | $334,900 | $337,941 |
| 63368 | O'Fallon, MO 63368 | 7.5 mi | 132 | $64,754,052 | $491,850 | $490,561 |
| 63385 | Wentzville, MO 63385 | 8.5 mi | 307 | $159,208,358 | $427,413 | $518,594 |
| 63362 | Moscow Mills, MO 63362 | 10.1 mi | 48 | $16,711,968 | $327,065 | $348,166 |
| 62013 | Brussels, IL 62013 | 11.0 mi | 1 | $160,000 | $160,000 | $160,000 |
| 63348 | Foristell, MO 63348 | 12.9 mi | 93 | $53,200,185 | $425,000 | $572,045 |
| 63301 | Saint Charles, MO 63301 | 13.3 mi | 131 | $53,838,118 | $399,900 | $410,978 |
| 63347 | Foley, MO 63347 | 14.8 mi | 2 | $789,800 | $394,900 | $394,900 |
| 63044 | Bridgeton, MO 63044 | 16.8 mi | 19 | $3,994,123 | $244,950 | $210,217 |
| 62037 | Grafton, IL 62037 | 17.1 mi | 12 | $6,719,172 | $349,000 | $559,931 |
| 63017 | Chesterfield, MO 63017 | 17.4 mi | 111 | $68,511,975 | $619,225 | $617,225 |
| 63390 | Wright City, MO 63390 | 17.7 mi | 74 | $42,724,788 | $349,950 | $577,362 |
As of July 2026, there are 160 active listings in O FALLON, MO (zip code 63366), compared to 168 the prior year.
The median listing price in O FALLON, MO 63366 is $402,488 as of July 2026, a 8.9% decrease from $441,758 the prior year.
Homes in O FALLON, MO 63366 spend an average of 28 days on the market before going under contract, compared to 26 days the prior year.
Based on current inventory and days-on-market data as of July 2026, O FALLON, MO 63366 is currently a Balanced Market. Inventory has tightened compared to last year, with 8 fewer active listings — creating more competition among buyers. Homes are taking longer to sell, averaging 28 days on market compared to 26 days last year.
With SELL123.com's maximum 3% commission, sellers in O FALLON, MO 63366 save an estimated $8,050 compared to a typical 5% commission on the median listing price of $402,488. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.